COMSEC Engineer

Mission Technologies, a division of HII

. Design, implement, and analyze COMSEC protocols to ensure confidentiality, integrity, and availability of sensitive data transmissions .

Posted 10/30/2026full-timeSpringfield • Virginia • United StatesMid-LevelSenior💰 $106,994 - $152,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in COMSEC protocols, cryptographic solutions, and secure communication systems while ensuring compliance with DoD/IC policies and maintaining operational security. Proficient in managing COMSEC accounts and systems, with strong analytical skills and the ability to adapt in regulated environments.

Highest-signal resume keywords

COMSEC Protocol DesignCryptographic Solutions DevelopmentKMI CertificationActive U.S. Security ClearanceExperience with COMSEC Data Transfer Devices

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

COMSEC ProtocolsCryptographyNetwork Security EngineeringKey Management SystemsEncryption AlgorithmsSecure Communication ProtocolsIncident ReportingThreat Intelligence InterpretationTroubleshooting COMSEC SystemsDocumentation for COMSEC Audits

Soft Skills

Strong Analytical SkillsAttention to DetailAbility to Learn QuicklyExcellent Communication Abilities

Tools & Technologies

KMICOMSEC Data Transfer DevicesRASKLsSKLsTKLsSTE Secure PhonesVIPer Secure PhonesIPsecVPNsKG-175 Series Cryptographic Modules

Certifications & Qualifications

KMI CertificationCompTIA Security+COMSEC Manager CertificationNSA COMSEC-Specific Training

Industry Keywords

National Manager GuidelinesTwo-Person Integrity (TPI)DoD/IC PoliciesContract-Based EnvironmentsQuantum-Resistant Cryptography

About the role

Key responsibilities & impact

Design, implement, and analyze COMSEC protocols to ensure confidentiality, integrity, and availability of sensitive data transmissions
Collaborate with cross-functional teams to mitigate risks, comply with National Manager guidelines, and maintain operational security
Develop, evaluate, and deploy cryptographic solutions, including key management systems, encryption algorithms, and secure communication protocols
Manage COMSEC accounts, including distribution, accounting, and destruction of cryptographic keys and materials
Manage COMSEC systems while adhering to National Manager processes and Two-Person Integrity (TPI) standards
Integrate COMSEC solutions with existing networks and systems
Diagnose issues and provide technical support to resolve disruptions in secure data flows
Prepare and maintain documentation for COMSEC audits, incident reports, and regulatory submissions
Collaborate with stakeholders to ensure adherence to DoD/IC policies and contractual obligations
Participate in training team members and end-users on COMSEC best practices
Monitor and troubleshoot COMSEC systems, log incidents, and recommend corrective actions
Document COMSEC procedures and generate reports per National Manager standards
Participate in testing and validation of secure communication protocols, including IPsec, VPNs, and tactical data links

Requirements

What you’ll need

5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience
KMI certification or obtaining KMI certification within 3 months of hire
Knowledge and experience using any CMCS (e.g. EKMS, DIAS, CARDS or form of military property account book if KMI schooling has not been completed)
Experience and understanding of COMSEC Data Transfer Devices (DTDs), such as RASKLs, SKLs, and TKLs
Experience and understanding of secure phones, such as STEs and vIPers
Minimum of 5 years of professional experience in COMSEC, cryptography, or network security engineering
Active U.S. security clearance (Top Secret/SCI)
Certifications such as CompTIA Security+ or NSA COMSEC-specific training, such as COMSEC Manager Certification/KMI Custodian Course
Strong analytical skills and attention to detail
Ability to learn quickly and adapt in a fast-paced, regulated environment
Proficiency in KMI and cryptographic modules, such as KG-175 series
Experience with contract-based environments
Knowledge of emerging technologies such as quantum-resistant cryptography
Ability to interpret complex threat intelligence and generate actionable insights
Excellent communication abilities for briefing senior leadership and documenting technical findings

Benefits

Comp & perks

Best-in-class medical, dental and vision plan choices
Wellness resources
Employee assistance programs
Savings Plan Options (401(k))
Financial planning tools
Life insurance
Employee discounts
Paid holidays
Paid time off
Tuition reimbursement
Early childhood education scholarships
Post-secondary education scholarships
Bonus/other non-recurrent compensation may occasionally be offered for qualified positions
Valuable educational and training programs for continual career growth